Prevention, Longevity, and Functional Medicine.
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Präzise und zuverlässige Diagnosetests bequem zu Hause durchführen

Individuelle Ganzheitliche Diagnostik

Identify causes, unleash potential, for your inner balance and regeneration.

Why should I take the test at all?

Tryptophan metabolism is a nexus between the psyche, immune system, and energy production. Via serotonin, it influences mood, sleep, and appetite regulation; via the kynurenine pathway, it controls inflammatory responses and neuronal balance. Imbalances often manifest as fatigue, brain fog, stress intolerance, or sleep problems – long before conventional lab values deviate. With the home test, you get a precise picture of your metabolic pathways and identify whether serotonin synthesis, immune activation, or NAD-dependent energy processes are off track. This allows you to take more targeted action instead of just managing symptoms.

What can I actually do with the results – what is the test good for?

Measuring tryptophan, kynurenine metabolites, and serotonin indicates whether your metabolism is shifted more "towards" serotonin (well-being, sleep) or kynurenine (stress/inflammation pathway). Calculated indices (e.g., IDO/KMO activity) point to immune and stress-driven metabolic shifts; NAD reflects cellular energy and repair capacity. Based on these patterns, nutrition, micronutrients (e.g., B vitamins), gut/stress management, and sleep hygiene can be personalized – and therapeutically supported if necessary. In short: the findings become a compass for your next, individually tailored steps.

How is the test related to long-term health, prevention & self-healing?

Early shifts in the tryptophan-kynurenine balance are considered an early warning sign for silent inflammation, neuro-metabolic stress, and mitochondrial energy deficiency. Recognizing these shifts in time allows for targeted countermeasures through lifestyle adjustments, sleep optimization, stress reduction, gut health improvements, and personalized vital nutrients. This strengthens self-efficacy, supports regeneration, and promotes healthy aging. The test reveals hidden patterns before they become clinically entrenched—a building block for long-term resilience, performance, and consciously managed, individualized health.

FAQs

For more information, please see our FAQs.

Why this test?

Tryptophan metabolism links mood, sleep, stress resilience, and cellular energy (NAD). Via the serotonin pathway, it influences well-being and sleep quality; via the kynurenine pathway, it affects immune activation, neuroinflammation, and mitochondrial metabolism. The test is useful for fatigue, lack of drive, sleep disorders, mood swings, brain fog, Long COVID-like symptoms, increased stress, or preventively in the context of longevity and functional medicine.

What exactly does the test measure?

Tryptophan, central kynurenine metabolites (e.g., kynurenine, kynurenic acid, 3-OH-kynurenine, quinolinic acid), NAD, serotonin, and calculated IDO/KMO activity indices; optionally catecholamines. Urine creatinine is used for normalization.

Who is the test suitable for?

For people with fatigue, sleep/mood problems, stress, brain fog, or preventively within the framework of longevity, functional medicine, and holistic diagnostics.

How often should I test?

Depending on the objective: initially for a baseline assessment, then after 3–4 months of intervention for progress evaluation.

Can I take the result to my doctor?

Yes. The report supports the doctor's consultation and helps to plan further diagnostics or therapy.

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